<template>
  <div>
  <!-- 面包屑导航区 -->
  <el-breadcrumb separator-class="el-icon-arrow-right">
  <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
  <el-breadcrumb-item>用户管理</el-breadcrumb-item>
  <el-breadcrumb-item>用户列表</el-breadcrumb-item>
  </el-breadcrumb>

  <!-- 卡片视图区域 -->
  <el-card class="box-card">
    <!-- 搜索与添加区域 -->
    <el-row :gutter="20">
      <el-col :span="11">    
        <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
          <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
        </el-input>
      </el-col>
      <el-col :span="5">
        <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
      </el-col>
    </el-row>
      <!-- 用户列表区域 --> 
     <el-table :data="userList" border stripe>
       <el-table-column type="index" label="索引"></el-table-column>
      <el-table-column prop="username" label="姓名" ></el-table-column>
      <el-table-column prop="email" label="邮箱"></el-table-column>
      <el-table-column prop="mobile" label="电话"></el-table-column>
      <el-table-column prop="role_name" label="角色"></el-table-column>
      <el-table-column  label="状态">
        <template slot-scope="scope">
          <el-switch v-model="scope.row.mg_state" @change="UserStateChanged(scope.row)"></el-switch>
        </template>
      </el-table-column>
      <el-table-column  label="操作" width="180px">
        <template slot-scope="scope">
            <el-tooltip  effect="dark" content="修改用户" placement="top-start" :enterable="flase">
             <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEidtDialog(scope.row.id)"></el-button>
            </el-tooltip>
            <el-tooltip  effect="dark" content="删除用户" placement="top-start" :enterable="flase">
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
            </el-tooltip>
            <el-tooltip  effect="dark" content="分配角色" placement="top-start" :enterable="flase">
            <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
            </el-tooltip>
        </template>
      </el-table-column>
     </el-table>

     <!-- 分页区域 -->
 <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
  </el-card>

<!-- 添加用户对话框展示区域 -->
  <el-dialog
    title="添加用户"
    :visible.sync="addDialogVisible"
    width="50%" @close="addDialogClosed">
    <!-- 主题区域 -->
  <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
    <el-form-item label="用户名" prop="username">
    <el-input v-model="addForm.username"></el-input>
    </el-form-item>
    <el-form-item label="密码" prop="password">
    <el-input v-model="addForm.password"></el-input>
    </el-form-item>
    <el-form-item label="邮箱" prop="email">
    <el-input v-model="addForm.email"></el-input>
    </el-form-item>
    <el-form-item label="手机" prop="mobile">
    <el-input v-model="addForm.mobile"></el-input>
    </el-form-item>
  </el-form>
  <!-- 底部区域  -->
    <span slot="footer" class="dialog-footer">
      <el-button @click="addDialogVisible = false">取 消</el-button>
      <el-button type="primary" @click="addUser">确 定</el-button>
    </span>
  </el-dialog>

  <!-- 修改用户对话框展示区域 -->
  <el-dialog
    title="修改用户"
    :visible.sync="editDialogVisible"
    width="50%" @close="editDialogClosed">
    <!-- 主题区域 -->
  <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
    <el-form-item label="用户名">
    <el-input v-model="editForm.username" disabled></el-input>
    </el-form-item>
     <el-form-item label="邮箱"  prop="email">
    <el-input v-model="editForm.email"></el-input>
    </el-form-item>
     <el-form-item label="手机号" prop="mobile">
    <el-input v-model="editForm.mobile"></el-input>
    </el-form-item>
  </el-form>
  <!-- 底部区域  -->
    <span slot="footer" class="dialog-footer">
      <el-button @click="editDialogVisible = false">取 消</el-button>
      <el-button type="primary" @click="editUserInfo">确 定</el-button>
    </span>
  </el-dialog>
  </div>
</template>

<script>
export default {
   created(){
     this.getUserList()
   },
   data(){
    //  验证邮箱的校验规则
    var checkEmail=(rule,value,cb)=>{
      //验证邮箱的正则表达式
      const regEmail=/^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-]+)+/
      if(regEmail.test(value)){
        //合法邮箱
        return cb()
      }
      cb(new Error("请输入合法的邮箱"))
    }
    // 验证手机号的规则
    var checkMobile=(rule,value,cb) =>{
      // 验证手机号的正则表达式
      const regMobile=/^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if(regMobile.test(value)){
        return cb()
      }
      cb(new Error('请输入合法的手机号'))
    }
     return{
      //  获取用户列表的参数对象
      queryInfo:{
        query:'',
        pagenum:1,
        pagesize:2
      },
      userList:[],
      total:0,
      // 控制添加用户对话框的显示与隐藏
      addDialogVisible:false,
      //控制修改用户对话框显示与隐藏
      editDialogVisible:false,
      // 添加用户表单数据
      addForm:{
        username:'',
        password:'',
        email:'',
        mobile:'',
      },
      // 查询用户对象存放
      editForm:{},
         //添加表单的验证规则(记得表单验证规则要放在data的return里面)
      addFormRules: {
        username:[
            { required: true, message: '请输入用户名',trigger: 'blur'},
            { min: 3, max: 10, message: '用户名长度在3~10个字符', trigger: 'blur'}
        ],
        password:[
            { required: true, message: '请输入密码', trigger: 'blur' },
            { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ],
        email:[
            { required: true, message: '请输入邮箱', trigger: 'blur' },
            {validator: checkEmail,trigger: 'blur'}
        ],
        mobile:[
            { required: true, message: '请输入手机号', trigger: 'blur' },
            {validator:checkMobile,trigger: 'blur'}
        ]
      },
      editFormRules:{
         email:[
            { required: true, message: '请输入邮箱', trigger: 'blur' },
            {validator: checkEmail,trigger: 'blur'}
        ],
        mobile:[
            { required: true, message: '请输入手机号', trigger: 'blur' },
            {validator:checkMobile,trigger: 'blur'}
        ]
      }
     }
   },
   methods:{
     async getUserList(){
        const { data: res } = await this.$http.get('users',{params:this.queryInfo})
        if(res.meta.status !== 200){
          return this.$message.error('获取用户列表失败！')
        }
        this.userList=res.data.users
        this.total=res.data.total
        console.log(res)
     },
    //  监听pagesize改变事件
     handleSizeChange(newPageSize){
       this.queryInfo.pagesize=newPageSize
       this.getUserList()
     },
     //监听页码值改变的事件
     handleCurrentChange(newPageNum){
       this.queryInfo.pagenum=newPageNum
       this.getUserList()
     },
    //  1.监听switch开关状态改变事件
    async UserStateChanged(userInfo){
      console.log(userInfo);
      // 2.拿到状态之后发起axios请求
      // 修改用户状态（确保修改的switch状态能够引起数据库的变化）
      const { data: res } = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
      console.log(res);
      if(res.meta.status!==200){
        userInfo.mg_state=! userInfo.mg_state
         return this.$message.error('更新用户状态失败！')
      }
      this.$message.success('更新用户状态成功！')
      
    },
    // 监听添加对话框关闭重置清空表单内容
    addDialogClosed(){
      this.$refs.addFormRef.resetFields()
    },
    //添加用户处理函数
    addUser(){
      this.$refs.addFormRef.validate( async valid=>{
        // console.log(valid);//valid是一个布尔值，预验证表单的内容
        if(!valid) return 
        //可以发起添加用户的网络请求
       const { data: res } =await this.$http.post('users',this.addForm)
       if(res.meta.status !==201){
         return this.$message.error('添加用户失败！')
       }
       this.$message.success('添加用户成功！')
       //隐藏添加对话框
       this.addDialogVisible=false
       //重新获取用户列表
       this.getUserList()
      })
    },
    //展示编辑用户对话框
    async showEidtDialog(id){
      // console.log(id);n
      const { data: res } =await this.$http.get('users/'+id)
      if(res.meta.status!== 200){
        return this.$message.error('查询用户失败！')
      }
      this.editForm=res.data
      this.editDialogVisible=true 
    },
    // 监听编辑对话框关闭重置
    editDialogClosed(){
      this.$refs.editFormRef.resetFields()
    },
    //修改用户信息并提交
    editUserInfo(){
      // 预验证过程
      this.$refs.editFormRef.validate( async valid=>{
        if(!valid) return 
        // 发起修改用户信息请求
        const { data: res } = await this.$http.put('users/'+this.editForm.id,
        {email:this.editForm.email,mobile:this.editForm.mobile})
        if(res.meta.status!== 200){
          return this.$message.error('修改用户信息失败！')
        } 
        // 关闭对话框
        this.editDialogVisible=false
        //更新列表用户信息
        this.getUserList()
        //提示更新成功信息
        this.$message.success('修改用户信息成功！！！')
      })
    },
    //通过id删除用户信息
     async removeUserById(id){
      // console.log(id);
      // 弹框询问用户是否删除数据
      const resConfirm =  await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        })
        //如果取消删除，返回字符串cancel
        .catch(error =>error)
        // 如果确定删除，返回字符串confirm
        // console.log(resConfirm);
        if(resConfirm!=='confirm'){
          return this.$message.info('已取消删除')
        }
        // console.log('确认了删除！');
        const {data: res} = await this.$http.delete('users/'+id)
        if(res.meta.status!== 200){
          return this.$message.error('删除用户失败！')
        }
        this.$message.success('删除用户成功')
        this.getUserList()
    }
   }
}
</script>

<style lang="less" scoped>

</style>